Browsing Publikační činnost pracovníků VUT v Brně by Title
Now showing items 1-20 of 3084
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A 0.3-V 98-dB Rail-to-Rail OTA in 0.18 um CMOS
(IEEE, 2020-02-06)A new solution for an ultra-low-voltage, ultra-low-power operational transconductance amplifier (OTA) is presented in the paper. The design exploits a three-stage structure with a Reversed Miller Compensation Scheme, where ... -
0.3-V Nanopower Biopotential Low-Pass Filter
(IEEE, 2020-06-29)This paper presents a compact power-efficient CMOS fourth-order low-pass filter suitable for electrocardiogram (ECG) acquisition systems. The CMOS structure of the proposed filter utilize the bulkdriven technique and ... -
0.3V Bulk-driven current conveyor
(IEEE, 2019-05-15)This paper presents the design and the experimental results of a sub 0.5 V bulk-driven (BD) current conveyor (CCII) using 0.18 µm TSMC CMOS technology with total chip area of 0.0134 mm2. All transistors are biased in ... -
0.5 V fifth-order butterworth low-pass filter using multiple-input OTA for ECG applications
(MDPI, 2020-12-21)This paper presents a 0.5 V fifth-order Butterworth low-pass filter based on multiple-input operational transconductance amplifiers (OTA). The filter is designed for electrocardiogram (ECG) acquisition systems and operates ... -
0.5 V Fully Differential Universal Filter Based on Multiple Input OTAs
(IEEE, 2020-11-17)The design of a low-power, low-voltage, fully-differential universal biquad filter is presented in this work, which is constructed from four multiple-input gate-driven operational transconductance amplifiers (MI-OTAs) along ... -
0.5-V High Linear and Wide Tunable OTA for Biomedical Applications
(IEEE, 2021-08-04)This paper presents a low-voltage nano-power multiple-input operational transconductance amplifier (MI-OTA) with high linearity performance and increased input voltage swing. The enhanced performances are achieved thanks ... -
A 1 V 92 dB SNDR 10 kHz Bandwidth Second-Order Asynchronous Delta-Sigma Modulator for Biomedical Signal Processing
(MDPI, 2020-07-25)In this paper, a second-order asynchronous delta-sigma modulator (ADSM) is proposed based on the active-RCintegrators. The ADSM is implemented in the 0.18 µ m CMOS Logic or Mixed-Signal/RF, General Purpose process from the ... -
2D and 3D numerical modelling of internal flow of Pressure-swirl atomizer
(EDP Sciences, 2019-06-28)This paper compares 2D axisymmetric and 3D numerical models used to predict the internal flow of a pressure-swirl atomizer using a commercial software Ansys Fluent 18.1. The computed results are compared with experimental ... -
2D Model of Capillary Transport of Water in Aerated Concrete
(Trans Tech Publications, 2013-01-08)Saturation degree of aerated concrete strongly affects not only all its thermal-technica properties, but regarding to the risk of freezing, also the strength properties. The aim of this paper is to discuss existing approaches ... -
2D MoTe2 nanosheets by atomic layer deposition: Excellent photo-electrocatalytic properties
(Elsevier, 2021-06-01)Herein, the synthesis of MoTe2 nanosheets by means of Atomic Layer Deposition (ALD) is demonstrated for the first time. ALD enables tight control over the thickness and the composition of the deposited material, which are ... -
2DOF multi-objective optimal tuning of disturbance reject fractional order PIDA controllers according to improved consensus oriented random search method
(Elsevier, 2020-09-30)This study presents a Fractional Order Proportional Integral Derivative Acceleration (FOPIDA) controller design methodology to improve set point and disturbance reject control performance. The proposed controller tuning ... -
A 3D Microfluidic Chip for Electrochemical Detection of Hydrolysed Nucleic Bases by a Modified Glassy Carbon Electrode
(MDPI AG, POSTFACH, CH-4005 BASEL, SWITZERLAND, 2015-02-01)Modification of carbon materials, especially graphene-based materials, has wide applications in electrochemical detection such as electrochemical lab-on-chip devices. A glassy carbon electrode (GCE) modified with chemically ... -
3D Morphology of Fracture Surfaces Created by Mixed-mode II+III Fatigue Loading in Metallic Materials
(Elsevier, 2014-06-25)This paper presents results of 3Dfractographical analysis of shear-mode fatigue cracks in ARMCO iron, alpha-titanium, nickel and the X5CrNi18-10 steel. Observation of crack paths on a microscopic level enables us to reveal ... -
3D Printing Temperature Tailors Electrical and Electrochemical Properties through Changing Inner Distribution of Graphite/Polymer
(Wiley-VCH, 2021-06-01)The rise of 3D printing technology, with fused deposition modeling as one of the simplest and most widely used techniques, has empowered an increasing interest for composite filaments, providing additional functionality ... -
3D Reconstruction of the Surface using a Standard Camera
(Hindawi ltd, England, 2017-12-17)This paper deals with 3D reconstructions of series of partially focused images. Some of these methods are known in case of images which were acquired is small field of view. -
A 3D Scan Model and Thermal Image Data Fusion Algorithms for 3D Thermography in Medicine
(NEUVEDEN, 2017-11-08)Objectives. At present, medical thermal imaging is still considered a mere qualitative tool enabling us to distinguish between but lacking the ability to quantify the physiological and nonphysiological states of the body. ... -
3D-printed electrodes for the detection of mycotoxins in food
(Elsevier, 2020-06-01)Additive manufacturing, also termed 3D printing, enables economical, dynamic and rapid fabrication of customisable three-dimensional (3D) devices catering for specialised functions. Herein, we report the fabrication of ... -
3D-printed nanocarbon sensors for the detection of chlorophenols and nitrophenols: Towards environmental applications of additive manufacturing
(Elsevier, 2021-04-01)3D printing is a manufacturing technique used to prototype devices with customized shapes composed of different materials, including carbon composites. Toxic phenolic compounds are a major environmental hazard. Herein, we ... -
(40)A/Ar-39 step-heating dating of phlogopite and kaersutite megacrysts from the Zelezna hurka (Eisenbuhl) Pleistocene scoria cone, Czech Republic
(Earth Science Institute, Slovak Academy of Sciences, 2020-08-15)(40)A/Ar-39 step-heating of mica and amphibole megacrysts from hauyne-bearing olivine melilitite scoria/tephra from the Zelezna hurka yielded a 435 +/- 108 ka isotope correlation age for phlogopite and a more imprecise ... -
60-GHz Millimeter-Wave Propagation Inside Bus: Measurement, Modeling, Simulation, and Performance Analysis
(IEEE, 2019-06-24)Millimeter-wave (mmWave) transmission over the unlicensed 60-GHz spectrum is a potential solution to realize high-speed internet access, even inside mass transit vehicles. The solution involves communication between users ...